BBFLB Share definition Flag Acronym for the notorious Emma List, commonly referred to as Big Back Fat Lesbian Bemma. Did you see BBFLB’s attempt at running 3 miles today at run club? She really lives up to her name! BBFLB by General_lisk August 17, 2024 0 0 Get merch Get the BBFLB mug. Buy Now — $32.95 See more merch